"calcium oxide" meaning in English

See calcium oxide in All languages combined, or Wiktionary

Noun

Audio: LL-Q1860 (eng)-Vealhurl-calcium oxide.wav
Head templates: {{en-noun|-}} calcium oxide (uncountable)
  1. (inorganic chemistry) A white powderous substance, CaO, normally made by heating calcium carbonate. Tags: uncountable Synonyms: burnt lime, lime, quicklime Translations (white powderous substance): ἄσβεστος (ásbestos) [feminine] (Ancient Greek), ক্যালসিয়াম অক্সাইড (kêlśiẏam okśaiḍ) (Bengali), òxid de calci [masculine] (Catalan), 氧化鈣 /氧化钙 (yǎnghuàgài) (Chinese Mandarin), calciumoxide [masculine] (Dutch), ongebluste kalk [masculine] (Dutch), kalko (Esperanto), kalcioksido (Esperanto), kalsiumoksidi (Finnish), oxyde de calcium [masculine] (French), Calciumoxid [neuter] (German), Branntkalk [masculine] (German), Ätzkalk [masculine] (German), gebrannter Kalk [masculine] (German), ungelöschter Kalk [masculine] (German), Weißkalk [masculine] (German), चूर्णातु जारकिक (cūrṇātu jārkik) (Hindi), kalcium-oxid (Hungarian), kalko kaustika (Ido), 酸化カルシウム (sanka karushiumu) (Japanese), നീറ്റുകക്ക (nīṟṟukakka) (Malayalam), óxido de cálcio [masculine] (Portuguese), oxid de calciu [masculine] (Romanian), окси́д ка́льция (oksíd kálʹcija) [masculine] (Russian), о́кись ка́льция (ókisʹ kálʹcija) [feminine] (Russian), óxido de calcio [masculine] (Spanish), kalsiyum oksit (Turkish), sönmemiş kireç (Turkish), yanmış kireç (Turkish)
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          "text": "When calcium oxide is combined with CO2, it naturally forms calcium carbonate over time due to thermodynamic equilibrium, explains the researcher.",
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        "(inorganic chemistry) A white powderous substance, CaO, normally made by heating calcium carbonate."
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      "synonyms": [
        {
          "word": "burnt lime"
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        {
          "word": "lime"
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        {
          "word": "quicklime"
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          "code": "bn",
          "lang": "Bengali",
          "lang_code": "bn",
          "roman": "kêlśiẏam okśaiḍ",
          "sense": "white powderous substance",
          "word": "ক্যালসিয়াম অক্সাইড"
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          "code": "ca",
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          "word": "òxid de calci"
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          "code": "cmn",
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          "roman": "yǎnghuàgài",
          "sense": "white powderous substance",
          "word": "氧化鈣 /氧化钙"
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          "sense": "white powderous substance",
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          "word": "ongebluste kalk"
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          "code": "eo",
          "lang": "Esperanto",
          "lang_code": "eo",
          "sense": "white powderous substance",
          "word": "kalko"
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        {
          "code": "eo",
          "lang": "Esperanto",
          "lang_code": "eo",
          "sense": "white powderous substance",
          "word": "kalcioksido"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "lang_code": "fi",
          "sense": "white powderous substance",
          "word": "kalsiumoksidi"
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          "lang": "French",
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          "sense": "white powderous substance",
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          "word": "oxyde de calcium"
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          "code": "de",
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          "lang_code": "de",
          "sense": "white powderous substance",
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            "neuter"
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          "word": "Calciumoxid"
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          "code": "de",
          "lang": "German",
          "lang_code": "de",
          "sense": "white powderous substance",
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            "masculine"
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          "word": "Branntkalk"
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          "code": "de",
          "lang": "German",
          "lang_code": "de",
          "sense": "white powderous substance",
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            "masculine"
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          "word": "Ätzkalk"
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          "code": "de",
          "lang": "German",
          "lang_code": "de",
          "sense": "white powderous substance",
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            "masculine"
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          "word": "gebrannter Kalk"
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          "code": "de",
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          "sense": "white powderous substance",
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          "code": "de",
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          "roman": "ásbestos",
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          "tags": [
            "feminine"
          ],
          "word": "ἄσβεστος"
        },
        {
          "code": "hi",
          "lang": "Hindi",
          "lang_code": "hi",
          "roman": "cūrṇātu jārkik",
          "sense": "white powderous substance",
          "word": "चूर्णातु जारकिक"
        },
        {
          "code": "hu",
          "lang": "Hungarian",
          "lang_code": "hu",
          "sense": "white powderous substance",
          "word": "kalcium-oxid"
        },
        {
          "code": "io",
          "lang": "Ido",
          "lang_code": "io",
          "sense": "white powderous substance",
          "word": "kalko kaustika"
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          "code": "ja",
          "lang": "Japanese",
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          "roman": "sanka karushiumu",
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          "word": "酸化カルシウム"
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          "code": "ml",
          "lang": "Malayalam",
          "lang_code": "ml",
          "roman": "nīṟṟukakka",
          "sense": "white powderous substance",
          "word": "നീറ്റുകക്ക"
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          "code": "pt",
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          "word": "óxido de cálcio"
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          "code": "ro",
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          "word": "о́кись ка́льция"
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          "code": "es",
          "lang": "Spanish",
          "lang_code": "es",
          "sense": "white powderous substance",
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          "word": "óxido de calcio"
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          "code": "tr",
          "lang": "Turkish",
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          "sense": "white powderous substance",
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          "code": "tr",
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      "code": "bn",
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      "code": "nl",
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      "code": "eo",
      "lang": "Esperanto",
      "lang_code": "eo",
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      "word": "kalko"
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      "code": "eo",
      "lang": "Esperanto",
      "lang_code": "eo",
      "sense": "white powderous substance",
      "word": "kalcioksido"
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      "lang": "Finnish",
      "lang_code": "fi",
      "sense": "white powderous substance",
      "word": "kalsiumoksidi"
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      "code": "fr",
      "lang": "French",
      "lang_code": "fr",
      "sense": "white powderous substance",
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      "word": "oxyde de calcium"
    },
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      "code": "de",
      "lang": "German",
      "lang_code": "de",
      "sense": "white powderous substance",
      "tags": [
        "neuter"
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      "word": "Calciumoxid"
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      "lang": "German",
      "lang_code": "de",
      "sense": "white powderous substance",
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      "word": "Branntkalk"
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      "lang": "German",
      "lang_code": "de",
      "sense": "white powderous substance",
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      "word": "Ätzkalk"
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      "lang": "German",
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      "sense": "white powderous substance",
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      "lang": "German",
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      "sense": "white powderous substance",
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      "word": "ungelöschter Kalk"
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      "code": "de",
      "lang": "German",
      "lang_code": "de",
      "sense": "white powderous substance",
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      "word": "Weißkalk"
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      "code": "grc",
      "lang": "Ancient Greek",
      "lang_code": "grc",
      "roman": "ásbestos",
      "sense": "white powderous substance",
      "tags": [
        "feminine"
      ],
      "word": "ἄσβεστος"
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      "code": "hi",
      "lang": "Hindi",
      "lang_code": "hi",
      "roman": "cūrṇātu jārkik",
      "sense": "white powderous substance",
      "word": "चूर्णातु जारकिक"
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      "code": "hu",
      "lang": "Hungarian",
      "lang_code": "hu",
      "sense": "white powderous substance",
      "word": "kalcium-oxid"
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      "code": "io",
      "lang": "Ido",
      "lang_code": "io",
      "sense": "white powderous substance",
      "word": "kalko kaustika"
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      "code": "ja",
      "lang": "Japanese",
      "lang_code": "ja",
      "roman": "sanka karushiumu",
      "sense": "white powderous substance",
      "word": "酸化カルシウム"
    },
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      "lang": "Malayalam",
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      "roman": "nīṟṟukakka",
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      "lang_code": "pt",
      "sense": "white powderous substance",
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    {
      "code": "ro",
      "lang": "Romanian",
      "lang_code": "ro",
      "sense": "white powderous substance",
      "tags": [
        "masculine"
      ],
      "word": "oxid de calciu"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "lang_code": "ru",
      "roman": "oksíd kálʹcija",
      "sense": "white powderous substance",
      "tags": [
        "masculine"
      ],
      "word": "окси́д ка́льция"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "lang_code": "ru",
      "roman": "ókisʹ kálʹcija",
      "sense": "white powderous substance",
      "tags": [
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      "word": "о́кись ка́льция"
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      "lang_code": "es",
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        "masculine"
      ],
      "word": "óxido de calcio"
    },
    {
      "code": "tr",
      "lang": "Turkish",
      "lang_code": "tr",
      "sense": "white powderous substance",
      "word": "kalsiyum oksit"
    },
    {
      "code": "tr",
      "lang": "Turkish",
      "lang_code": "tr",
      "sense": "white powderous substance",
      "word": "sönmemiş kireç"
    },
    {
      "code": "tr",
      "lang": "Turkish",
      "lang_code": "tr",
      "sense": "white powderous substance",
      "word": "yanmış kireç"
    }
  ],
  "word": "calcium oxide"
}

Download raw JSONL data for calcium oxide meaning in English (6.5kB)


This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2026-03-25 from the enwiktionary dump dated 2026-03-03 using wiktextract (05c257f and 9d9a410). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

If you use this data in academic research, please cite Tatu Ylonen: Wiktextract: Wiktionary as Machine-Readable Structured Data, Proceedings of the 13th Conference on Language Resources and Evaluation (LREC), pp. 1317-1325, Marseille, 20-25 June 2022. Linking to the relevant page(s) under https://kaikki.org would also be greatly appreciated.